/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.rocketmq.client.impl;

/**
 * 通讯方式:同步、异步、oneway
 */
public enum CommunicationMode {
    /**
     * 同步
     */
    SYNC,

    /**
     * 异步
     */
    ASYNC,

    /**
     * oneway
     * 表示消息只需要发送出去,不需要关注发送结果
     * 处理完request之后,是不会把response通过channel发送给对方的.
     * 详见: {@link org.apache.rocketmq.remoting.netty.RemotingResponseCallback#callback} 的实现类.
     */
    ONEWAY,
}
